(noun) The visible blush on a young woman's face directly or shortly after she has just received a fast and satisfactory fuck in her
The afterglow on Ashley's face was impossible to not notice when Momma exclaimed to both her and Kyle, the two guilty parties, "My goodness, children, and only been going steady for a little under a month and already turning my home into some kind of Sodom and Gomorrah. Good heavens, children".
A sense of fulfillment, completeness, and general wellbeing that one feels after the effects of a psychoactive drug have faded, which can last from anywhere between one hour, and several days.